Avoid crash if config.start_secure_session not defined
Avoid crash if config.start_secure_session not defined

This config variable is set in the moj_peoplefinder app, but not defined
when running tests using the dummy app.

It might be cleaner to make this a config setting on the engine, but
just doing something to get this working and prove the engine approach
for now.

MjAbuz/peoplefinder,MjAbuz/peoplefinder,ministryofjustice/peoplefinder,ministryofjustice/peoplefinder,MjAbuz/peoplefinder,ministryofjustice/peoplefinder,ministryofjustice/peoplefinder,MjAbuz/peoplefinder,ministryofjustice/peoplefinder